Serial taps comprise of one or more undersized roughing taps which remove most ot the material before final sizing with a finishing tap.
成套丝锥由一支或者更多在用精加工丝锥最终加工到尺寸之前移除大多数材料的较小尺寸的粗切丝锥组成。
Hit the toolbar button, choose your sizing, if necessary, then save the final image from a new web TAB.
点击工具栏上的按钮，选择你需要的大小，然后保存截图就行了。
Hit the toolbar button, choose your sizing, if necessary, then save the final image from a new web TAB.
点击工具栏上的按钮，选择你需要的大小，然后保存截图就行了。
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